Art: Ryan Yee

Shadows over Innistrad · SOI #93 · Uncommon
Trail of Evidence
Enchantment
Market price · TCGplayer
$0.36
▲ 0.00% · 7 days
$0.36
▲ 5.88% · 30 days
$0.36
▲ 20.00% · 90 days
$2.26
▲ 0.89% · 7 days
$2.26
▼ 7.00% · 30 days
$2.26
▼ 8.50% · 90 days
Other printings
1-
$0.30
The List PLST #SOI-93
Official rulings
3
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Clue is an artifact type. Even though it appears on some cards with other permanent types, it's never a creature type, a land type, or anything but an artifact type.
April 8, 2016
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If an effect refers to a Clue, it means any Clue artifact, not just a Clue artifact token. For example, you can sacrifice Wrench to pay for Alquist Proft, Master Sleuth's activated ability.
April 8, 2016
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You can't sacrifice a Clue to pay multiple costs. For example, you can't sacrifice a Clue token to activate its own ability and also to activate Alquist Proft, Master Sleuth's ability.
April 8, 2016